Tajima CR202BP Chalk-Rite II Ultra-Thin Chalk Snap Line with Blue Dye, 100'Tajima Chalk Rite II Ultra Thin smooth winding 5 gear chalk snap lines with gasket sealed die cast aluminum cases and braided 1. 0 mm extra bold lines. Contractor grade chalk snap lines with 100 ft (30 m) of ultra thin premium grade braided line. Smooth gear drive winding, up to 3 times faster than standard snap lines. Compact, fits comfortably in the palm of your hand yet holds up to 1. 6 oz (45 g) of chalk. Positive gear lock line hold,